1
100
10k
Mongolia
Australia
Oman
Bolivia
Paraguay
New Zealand
Finland
Venezuela
Zimbabwe
Nicaragua
United States
Kenya
Ethiopia
Cambodia
Lesotho
Ireland
Turkey
Bulgaria
Cuba
Romania
Hungary
Czech Republic
Vietnam
Jamaica
Sri Lanka
Netherlands
Singapore
Puerto Rico
2
3
4
5
6
7
8
9
1000
2
3
4
5
6
7
8
9
10k
2
3
4
5
6
7
8
9
100k
20
30
40
50
60
70
80
year: 1952
1952
1957
1962
1967
1972
1977
1982
1987
1992
1997
2002
2007
popDen
gdpPercap
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